<template>
  <a-layout>
    <a-layout-content
            :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form layout="inline" :model="param">
          <a-form-item>
            <a-button type="primary" @click="handleQuery()" size="large">
              刷新
            </a-button>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="add()" size="large">
              新增
            </a-button>
          </a-form-item>
        </a-form>
      </p>
      <a-table
              :columns="columns"
              :row-key="record => record.id"
              :data-source="level1"
              :loading="loading"
              :pagination="false"
      >
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" style="width: 40px"/>
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="samll">
            <a-button type="primary" @click="edit(record)">
              编辑
            </a-button>
            <a-popconfirm
                    title="是否确认删除?"
                    ok-text="是"
                    cancel-text="否"
                    @confirm="handleDelete(record.id)"
            >
              <a-button danger>
                删除
              </a-button>
            </a-popconfirm>

          </a-space>
        </template>
      </a-table>
    </a-layout-content>
  </a-layout>

  <a-modal title="分类表单"
           v-model:visible="modelVisible"
           :confirm-loading="modelLoading"
           @ok="handleModelOk"
  >
    <a-form :model="category" :label-col="{ span: 6}" :wrapper-col="wrapperCol">
      <a-form-item label="名称">
        <a-input v-model:value="category.name"/>
      </a-form-item>
      <a-form-item label="父分类">
        <a-select
                ref="select"
                v-model:value="category.parent"
        >
          <a-select-option value="0">无</a-select-option>
          <a-select-option v-for="c in level1" :key="c.id" :value="c.id" :disabled="category.id === c.id">
            {{ c.name }}
          </a-select-option>
        </a-select>
      </a-form-item>
      <a-form-item label="顺序">
        <a-input v-model:value="category.sort"/>
      </a-form-item>
    </a-form>
  </a-modal>

</template>

<script lang="ts">
  import {defineComponent, onMounted, ref} from 'vue';
  import axios from 'axios';
  import {message} from 'ant-design-vue';
  import {Tool} from "@/util/tool";

  export default defineComponent({
    name: 'AdminCategory',
    setup() {
      const param = ref();
      param.value = {};
      const categorys = ref();
      const loading = ref(false);

      const columns = [
        {
          title: '名称',
          dataIndex: 'name'
        },
        {
          title: '父分类',
          key: 'parent',
          dataIndex: 'parent'
        },
        {
          title: 'Action',
          dataIndex: 'action',
          slots: {customRender: 'action'}
        }
      ];

      const level1 = ref();
      /**
       * 一级分类树，children属性就是二级分类
       * [{
       *  id: "",
       *  name: "",
       *  children: [{
       *    id: "",
       *    name: ""
       *  }]
       * }]
       */

              //数据查询方法
      const handleQuery = () => {
                loading.value = true;
                //不清空数据的话，则编辑保存重新加载后，再点编辑，还是原油的值
                level1.value= [];
                axios.get("/category/all").then((response) => {
                  loading.value = false;
                  const data = response.data;
                  if (data.success) {
                    categorys.value = data.content;
                    console.log("原始数组：" + categorys.value);

                    level1.value = {};
                    level1.value = Tool.array2Tree(categorys.value, 0);
                    console.log("树形结构:", level1)
                  } else {
                    message.error(data.message);
                  }
                });
              };

      // 表单
      const category = ref({});
      const modelVisible = ref(false);
      const modelLoading = ref(false);
      const handleModelOk = () => {
        modelLoading.value = true;
        axios.post("/category/save", category.value).then((response) => {
          modelLoading.value = false;
          const data = response.data;   //data=CommonResp
          if (data.success) {
            modelVisible.value = false;
            //重新加载列表
            handleQuery();
          } else {
            message.error(data.message);
          }
        });
      };

      //编辑方法
      const edit = (record: any) => {
        modelVisible.value = true;
        category.value = Tool.copy(record);
      };
      //新增方法
      const add = () => {
        modelVisible.value = true;
        category.value = {};
      };

      //删除方法
      const handleDelete = (id: number) => {
        axios.delete("/category/delete/" + id).then((response) => {
          const data = response.data;
          if (data.success) {
            handleQuery();
          }
        });
      };

      onMounted(() => {
        handleQuery();
      });

      return {
        category,
        // categorys,
        level1,
        columns,
        loading,
        param,

        edit,
        add,

        handleDelete,
        modelVisible,
        modelLoading,
        handleModelOk,
        handleQuery
      }
    }
  });
</script>